TY  - BOOK
AU  - Graf,Rudolf F.
TI  - Converter and filter circuits
SN  - 0750698780
PY  - 1997///
CY  - Boston
PB  - Newnes
KW  - Electric current converters
KW  - Electric filters
KW  - Frequency changers
N1  - Oringinally published: The modern converter and filter circuit encyclopedia. Blue Ridge Summit, PA : TAB Books 1993
ER  -